CVE-2024-2312

Summary

GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI system table hooks after exit. This lead to a use-after-free condition, and could possibly lead to secure boot bypass.

Affected Software

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

• https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312
• https://security.netapp.com/advisory/ntap-20240426-0003/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312
• https://security.netapp.com/advisory/ntap-20240426-0003/

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